CeramicSpeed OSPW X Oversized Pulley Wheel System for Shimano RX800/805 – Coated, Silver Pulleys
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The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.
Features a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimization of the rear derailleur
Robust cage is custom molded from carbon fiber for durability and light weight
The 4 tension spring settings allow for optimal drivetrain setup based on riding conditions
OSPW X is specifically designed for road, gravel, and cross riding
This OSPW system reduces friction 35-40% over stock pulley configuration
Fits 11-36 tooth cassette range